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Question : A person covers the first 15 km in 60 minutes and the next 24 km in 30 minutes. What is his average speed for the whole journey?

Option 1: 33 km/hr

Option 2: 26 km/hr

Option 3: 29 km/hr

Option 4: 23 km/hr


Team Careers360 2nd Jan, 2024
Answer (1)
Team Careers360 4th Jan, 2024

Correct Answer: 26 km/hr


Solution : Total distance = 15 + 24 = 39 km
Total time = 60 + 30 = 90 min = 1.5 hr
Average speed $=\frac{\text{total distance}}{\text{total time}}=\frac{39}{1.5}= 26$ km/hr
Hence, the correct answer is 26 km/hr.

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